check env var on Android

Author: coado

packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/DependencyUtils.kt

@@ -29,6 +29,8 @@ import org.gradle.api.artifacts.repositories.MavenArtifactRepository
 
 internal object DependencyUtils {
   private const val REACT_NATIVE_MAVEN_CACHE_URL = "https://repo.reactnative.dev/maven2"
+  private const val REACT_NATIVE_MAVEN_CACHE_ENABLED_ENV =
+      "RCT_REACT_NATIVE_MAVEN_CACHE_ENABLED"
 
   internal data class Coordinates(
       val versionString: String,
@@ -284,10 +286,14 @@ internal object DependencyUtils {
         else -> INCLUDE_JITPACK_REPOSITORY_DEFAULT
       }
 
-  internal fun Project.isReactNativeMavenCacheEnabled(): Boolean =
+  internal fun Project.isReactNativeMavenCacheEnabled(
+      environmentValue: String? = System.getenv(REACT_NATIVE_MAVEN_CACHE_ENABLED_ENV)
+  ): Boolean =
       when {
         hasProperty(INTERNAL_REACT_NATIVE_MAVEN_CACHE_ENABLED) ->
             property(INTERNAL_REACT_NATIVE_MAVEN_CACHE_ENABLED).toString().toBoolean()
+        !environmentValue.isNullOrEmpty() ->
+            !environmentValue.equals("false", ignoreCase = true) && environmentValue != "0"
         else -> false
       }
 

packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/DependencyUtilsTest.kt

@@ -12,6 +12,7 @@ import com.facebook.react.utils.DependencyUtils.configureDependencies
 import com.facebook.react.utils.DependencyUtils.configureRepositories
 import com.facebook.react.utils.DependencyUtils.exclusiveEnterpriseRepository
 import com.facebook.react.utils.DependencyUtils.getDependencySubstitutions
+import com.facebook.react.utils.DependencyUtils.isReactNativeMavenCacheEnabled
 import com.facebook.react.utils.DependencyUtils.isNightly
 import com.facebook.react.utils.DependencyUtils.mavenRepoFromURI
 import com.facebook.react.utils.DependencyUtils.mavenRepoFromUrl
@@ -305,6 +306,33 @@ class DependencyUtilsTest {
         .isNull()
   }
 
+  @Test
+  fun isReactNativeMavenCacheEnabled_withEnvironmentVariableEnabled_returnsTrue() {
+    val project = createProject()
+
+    assertThat(project.isReactNativeMavenCacheEnabled("true")).isTrue()
+    assertThat(project.isReactNativeMavenCacheEnabled("1")).isTrue()
+  }
+
+  @Test
+  fun isReactNativeMavenCacheEnabled_withEnvironmentVariableDisabled_returnsFalse() {
+    val project = createProject()
+
+    assertThat(project.isReactNativeMavenCacheEnabled(null)).isFalse()
+    assertThat(project.isReactNativeMavenCacheEnabled("")).isFalse()
+    assertThat(project.isReactNativeMavenCacheEnabled("false")).isFalse()
+    assertThat(project.isReactNativeMavenCacheEnabled("FALSE")).isFalse()
+    assertThat(project.isReactNativeMavenCacheEnabled("0")).isFalse()
+  }
+
+  @Test
+  fun isReactNativeMavenCacheEnabled_withProjectProperty_ignoresEnvironmentVariable() {
+    val project = createProject()
+    project.extensions.extraProperties.set("react.internal.reactNativeMavenCacheEnabled", "false")
+
+    assertThat(project.isReactNativeMavenCacheEnabled("true")).isFalse()
+  }
+
   @Test
   fun configureRepositories_snapshotRepoHasHigherPriorityThanMavenCentral() {
     val repositoryURI = URI.create("https://central.sonatype.com/repository/maven-snapshots/")